regtest3.c

来自「汇编经典教程profession_assembly_language（Richa」· C语言 代码 · 共 16 行

/* regtest3.c - An example of using placeholders for a common value */
#include <stdio.h>

int main()
{
   int data1 = 10;
   int data2 = 20;

   asm ("imull %1, %0"
        : "=r"(data2)
        : "r"(data1), "0"(data2));

   printf("The result is %d\n", data2);
   return 0;
}